Mark O'Byrne is executive and research director of www.GoldCore.com which he founded in 2003. GoldCore have become one of the leading gold brokers in the world and have over 4,000 clients in over 40 countries and with over $200 million in assets under management and storage.We offer mass affluent, HNW, UHNW and institutional investors including family offices, gold, silver, platinum and palladium bullion in London, Zurich, Singapore, Hong Kong, Dubai and Perth.